• Windows System Administrator

    Link Solutions Inc (Adelphi, MD)
    Top Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator (Senior-Level) will be responsible for the ... for Services and Development. Link Solutions is seeking a Windows System Administrator (Senior-Level) to...a US Citizen. + Must have an active DoD Top Secret Clearance + MS or BA/BS… more
    Link Solutions Inc (10/08/25)
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  • Senior Windows Systems

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior ... Windows Systems Administrator leads complex system administration and endpoint configuration activities within the environment. This role covers the… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Windows System Administrator

    Amentum (Fort Meade, MD)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Windows System Administrator ** to join our team of passionate individuals in ... troubleshooting and user assistance. * Maintains user accounts, access control, and system / security configuration. * Maintains operating systems and… more
    Amentum (12/05/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our team, bringing ... becomes better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services...Sign On. + Enterprise Provisioning: Configure new Linux and Windows systems for customer use and ensuring… more
    General Dynamics Information Technology (12/15/25)
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  • Window System Administrator

    ManTech (College Park, MD)
    **MANTECH** seeks a motivated, career and customer-oriented ** Windows ** ** Systems Administrator ** to join our team in **College Park, Maryland** . The ... position is part of a team that provides Windows Systems Administration support for an organization...and performance enhancements. **Minimum Qualifications:** + 8+ years of System Administration experience + Proficiency in Windows more
    ManTech (10/14/25)
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  • Systems Administrator / Top

    Lockheed Martin (Arlington, VA)
    **Description:** You will be the Systems Administrator for the Advanced Concepts Lab \(ACL\) - a cutting edge team within Lockheed Martin's Advanced Technology ... scientific disciplines\. What You Will Be Doing: As the Systems Administrator you will be responsible for...special access\. The selected candidate must possess an active Top Secret clearance to start\. \#lmatl **Basic… more
    Lockheed Martin (10/22/25)
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  • Principal Systems Engineer - active…

    V2X (Suitland, MD)
    …location. The position is required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to obtain and maintain a ... with integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS /SCI clearance to support our government… more
    V2X (11/15/25)
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  • Systems Administrator IV - Pipeline…

    COMSO, Inc (Fort Meade, MD)
    Systems Administrator IV - PIPELINE ( TS /SCI w/ POLYGRAPH) FORT MEADE, MD (http://maps.google.com/maps?q=FORT+MEADE+MD+USA+20755) Description COMSO, Inc. is a ... + Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and… more
    COMSO, Inc (12/02/25)
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  • Systems Administrator I - Pipeline…

    COMSO, Inc (Fort Meade, MD)
    Systems Administrator I - PIPELINE ( TS /SCI w/ Polygraph) FORT MEADE, MD (http://maps.google.com/maps?q=FORT+MEADE+MD+USA+20755) Description COMSO, Inc. is a ... + Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and… more
    COMSO, Inc (12/02/25)
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  • Fidelis Administrator - Active TS

    ENS Solutions (Washington, DC)
    …manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system design and evaluation, ... system administration. Requirements + 3+ years of experience as a system administrator + Experience with installing or configuring devices, applications, and… more
    ENS Solutions (12/12/25)
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  • Secret Server Administrator - Active…

    ENS Solutions (Washington, DC)
    The Secret Server Administrator will perform a variety of functions supporting multiple Secret Server Deployments. Responsibilities include: tools deployment ... and configuration; supporting day-to-day operations; system health and status checks, identifying capacity, performance, reliability issues, and escalation for… more
    ENS Solutions (10/28/25)
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  • Support the Army Research Laboratory (ARL)…

    SAIC (Adelphi, MD)
    …This position is your opportunity to utilize your skills and background as a Windows Systems Administrator and deliver support to the warfighting mission ... Visual Technicians + Network Engineers + Network Technicians + System Administrators ( Windows , Linux, Mac OS) +...will vary depending on position **CLEARANCE REQUIREMENT:** + A Secret or Top Secret Clearance… more
    SAIC (11/06/25)
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  • System Administrator Level 3

    Jovian Concepts, Inc. (Annapolis, MD)
    …+ Configures and manages UNIX and Windows operating systems and installs\/loads operating system software, troubleshoots, maintains integrity ... + Configure and manage Windows (or other applicable) operating systems and installs\/loads operating system software, troubleshoot, maintain integrity of… more
    Jovian Concepts, Inc. (09/24/25)
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  • System Administrator Level 2

    Jovian Concepts, Inc. (Annapolis, MD)
    …process. Configures and manages UNIX and Windows operating systems and installs\/loads operating system software, troubleshoots, maintains integrity ... any other reason prohibited by law in employment.<\/div><\/div>","faviconId":"rzdliec182fab1ef548499d4ddfcbeeacba4f","jobTitle":" System Administrator Level 2","companyName":"Jovian Concepts,… more
    Jovian Concepts, Inc. (10/07/25)
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  • Identity and Access Management Senior Principal…

    General Dynamics Information Technology (Washington, DC)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... Server Hybrid Administrator , MCSE). REQUIRED . Clearance Level Must Currently Possess: Top Secret and SCI eligible . Location: Onsite . Required: US… more
    General Dynamics Information Technology (11/01/25)
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  • System Administrator

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking a full-time on-site System Administrator at Washington Navy Yard supporting our work as a prime contractor on a ... system deployments + Support the configuration management of systems + Harden Windows /RHEL Servers in accordance...of position related work experience + An active DoD Top Secret security clearance + A DoD… more
    BAE Systems (12/16/25)
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  • GIS Enterprise Administrator

    Guidehouse (Washington, DC)
    …Data Science Consulting **Travel Required** **:** Up to 10% **Clearance Required** **:** Active Top Secret ( TS ) **What You Will Do** **:** Guidehouse is ... You Will Need** **:** + An ACTIVE and MAINTAINED " TOP SECRET /SCI ( TS /SCI)" Federal or...GIS systems (PROD and DEV) + Broad system administration experience on Windows and/or Linux… more
    Guidehouse (11/25/25)
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  • System Administrator (Citrix)

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking an experienced full-time on-site System Administrator to support our work as a prime contractor on a high-profile ... the customer and IT infrastructure teams. As an on-site System Administrator , you will: + Capture, document,...field with six years of experience. + Active DoD Top Secret security clearance. + DoD 8570… more
    BAE Systems (12/04/25)
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  • Senior System Administrator

    SAIC (Arlington, VA)
    …of related experience. **Required Clearance and Certificates:** + Active DOD Top Secret clearance; ability to obtain a TS /SCI. + US citizenship. + Active ... **Description** SAIC is seeking a motivated and experienced ** System Administrator ** to join our team...environment. **Position Overview:** + Manage currently supported and subsequent Windows Server Operating Systems on virtual operating… more
    SAIC (12/13/25)
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  • Systems and Database Administrator

    CACI International (College Park, MD)
    Systems and Database Administrator Job Category:...an additional six (6) years of experience. + Possess Top Secret clearance and possess or be ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up...SQL*Plus and SQL Developer. + Demonstrated ability to perform Windows Operating System and Oracle database maintenance… more
    CACI International (10/15/25)
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